4. Telephonic communications
  5. Supervisory or control line signaling
  6. Substation originated

B. Johanna Isberg

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Active prevention of radio frequency emissions from a mobile...

Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate

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Mobile communication unit

Telephonic communications – Supervisory or control line signaling – Substation originated
Patent

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Profile ID: LFUS-PAI-P-371913

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